/*
- Copyright (C) 1999 Paul Barton-Davis
+ Copyright (C) 1999 Paul Barton-Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
*/
#include <map>
+#include <algorithm>
#include <gtk/gtkpaned.h>
#include <gtk/gtk.h>
#include <gtkmm/tooltip.h>
#include "gtkmm2ext/utils.h"
+#include "gtkmm2ext/persistent_tooltip.h"
#include "i18n.h"
{
#ifdef ENABLE_NLS
(void) bindtextdomain(PACKAGE, localedir);
+ (void) bind_textdomain_codeset (PACKAGE, "UTF-8");
#endif
}
int& height)
{
Pango::Rectangle ink_rect = layout->get_ink_extents ();
-
- width = (ink_rect.get_width() + PANGO_SCALE / 2) / PANGO_SCALE;
- height = (ink_rect.get_height() + PANGO_SCALE / 2) / PANGO_SCALE;
+
+ width = PANGO_PIXELS(ink_rect.get_width());
+ height = PANGO_PIXELS(ink_rect.get_height());
}
void
{
int width, height;
w.ensure_style ();
-
+
get_pixel_size (w.create_pango_layout (text), width, height);
w.set_size_request(width + hpadding, height + vpadding);
}
+/** Set width request to display given text, and height to display anything.
+ This is useful for setting many widgets to the same height for consistency. */
+void
+Gtkmm2ext::set_size_request_to_display_given_text_width (Gtk::Widget& w,
+ const gchar* htext,
+ gint hpadding,
+ gint vpadding)
+{
+ static const gchar* vtext = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
+
+ w.ensure_style ();
+
+ int hwidth, hheight;
+ get_pixel_size (w.create_pango_layout (htext), hwidth, hheight);
+
+ int vwidth, vheight;
+ get_pixel_size (w.create_pango_layout (vtext), vwidth, vheight);
+
+ w.set_size_request(hwidth + hpadding, vheight + vpadding);
+}
+
void
-Gtkmm2ext::set_size_request_to_display_given_text (Gtk::Widget &w,
+Gtkmm2ext::set_height_request_to_display_any_text (Gtk::Widget& w, gint vpadding)
+{
+ static const gchar* vtext = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
+
+ w.ensure_style ();
+
+ int width, height;
+ get_pixel_size (w.create_pango_layout (vtext), width, height);
+
+ w.set_size_request(-1, height + vpadding);
+}
+
+void
+Gtkmm2ext::set_size_request_to_display_given_text (Gtk::Widget &w, std::string const & text,
+ gint hpadding, gint vpadding)
+{
+ int width, height;
+ w.ensure_style ();
+
+ get_pixel_size (w.create_pango_layout (text), width, height);
+ w.set_size_request(width + hpadding, height + vpadding);
+}
+
+void
+Gtkmm2ext::set_size_request_to_display_given_text (Gtk::Widget &w,
const std::vector<std::string>& strings,
gint hpadding, gint vpadding)
{
break;
}
}
-
+
if (i == strings.end()) {
/* make a copy of the strings then add one that has a descender */
copy = strings;
} else {
to_use = &strings;
}
-
+
for (vector<string>::const_iterator i = to_use->begin(); i != to_use->end(); ++i) {
get_pixel_size (w.create_pango_layout (*i), width, height);
width_max = max(width_max,width);
w.set_size_request(width_max + hpadding, height_max + vpadding);
}
+/** This version specifies horizontal padding in text to avoid assumptions
+ about font size. Should be used anywhere padding is used to avoid text,
+ like combo boxes. */
+void
+Gtkmm2ext::set_size_request_to_display_given_text (Gtk::Widget& w,
+ const std::vector<std::string>& strings,
+ const std::string& hpadding,
+ gint vpadding)
+{
+ int width_max = 0;
+ int height_max = 0;
+ w.ensure_style ();
+
+ for (vector<string>::const_iterator i = strings.begin(); i != strings.end(); ++i) {
+ int width, height;
+ get_pixel_size (w.create_pango_layout (*i), width, height);
+ width_max = max(width_max,width);
+ height_max = max(height_max, height);
+ }
+
+ int pad_width;
+ int pad_height;
+ get_pixel_size (w.create_pango_layout (hpadding), pad_width, pad_height);
+
+ w.set_size_request(width_max + pad_width, height_max + vpadding);
+}
+
static inline guint8
demultiply_alpha (guint8 src,
guint8 alpha)
{
guint8 const* src_pixel = src;
guint8* dst_pixel = dst;
-
+
/* cairo pixel data is endian-dependent ARGB with A in the most significant 8 bits,
with premultipled alpha values (see preceding function)
src_pixel[3]); // R [0] <= [ 2 ]
dst_pixel[1] = demultiply_alpha (src_pixel[1],
src_pixel[3]); // G [1] <= [ 1 ]
- dst_pixel[2] = demultiply_alpha (src_pixel[0],
+ dst_pixel[2] = demultiply_alpha (src_pixel[0],
src_pixel[3]); // B [2] <= [ 0 ]
dst_pixel[3] = src_pixel[3]; // alpha
-
+
#elif G_BYTE_ORDER == G_BIG_ENDIAN
/* Cairo [ B G R A ] is actually [ A R G B ] in memory SOURCE
0 1 2 3
dst_pixel[2] = demultiply_alpha (src_pixel[3],
src_pixel[0]); // B [2] <= [ 3 ]
dst_pixel[3] = src_pixel[0]; // alpha
-
+
#else
#error ardour does not currently support PDP-endianess
-#endif
-
+#endif
+
dst_pixel += 4;
src_pixel += 4;
}
return *empty_pixbuf;
}
+ if (clip_width <= 0 || clip_height <= 0) {
+ /* negative values mean padding around natural size */
+ int width, height;
+ pixel_size (name, font, width, height);
+ if (clip_width <= 0) {
+ clip_width = width - clip_width;
+ }
+ if (clip_height <= 0) {
+ clip_height = height - clip_height;
+ }
+ }
+
Glib::RefPtr<Gdk::Pixbuf> buf = Gdk::Pixbuf::create(Gdk::COLORSPACE_RGB, true, 8, clip_width, clip_height);
cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, clip_width, clip_height);
cairo_t* cr = cairo_create (surface);
cairo_text_extents_t te;
-
+
cairo_set_source_rgba (cr, fg.get_red_p(), fg.get_green_p(), fg.get_blue_p(), 1.0);
cairo_select_font_face (cr, font.get_family().c_str(),
CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
cairo_set_font_size (cr, font.get_size() / Pango::SCALE);
cairo_text_extents (cr, name.c_str(), &te);
-
+
cairo_move_to (cr, 0.5, int (0.5 - te.height / 2 - te.y_bearing + clip_height / 2));
cairo_show_text (cr, name.c_str());
-
+
convert_bgra_to_rgba(cairo_image_surface_get_data (surface), buf->get_pixels(), clip_width, clip_height);
cairo_destroy(cr);
}
}
+void
+Gtkmm2ext::get_popdown_strings (Gtk::ComboBoxText& cr, std::vector<std::string>& strings)
+{
+ strings.clear ();
+ Glib::RefPtr<const Gtk::TreeModel> m = cr.get_model();
+ if (!m) {
+ return;
+ }
+ for(Gtk::TreeModel::iterator i = m->children().begin(); i != m->children().end(); ++i) {
+ Glib::ustring txt;
+ (*i)->get_value(0, txt);
+ strings.push_back (txt);
+ }
+}
+
+size_t
+Gtkmm2ext::get_popdown_string_count (Gtk::ComboBoxText& cr)
+{
+ Glib::RefPtr<const Gtk::TreeModel> m = cr.get_model();
+ if (!m) {
+ return 0;
+ }
+ return m->children().size();
+}
+
+bool
+Gtkmm2ext::contains_value (Gtk::ComboBoxText& cr, const std::string text)
+{
+ std::vector<std::string> s;
+ get_popdown_strings (cr, s);
+ return (std::find (s.begin(), s.end(), text) != s.end());
+}
+
+bool
+Gtkmm2ext::set_active_text_if_present (Gtk::ComboBoxText& cr, const std::string text)
+{
+ if (contains_value(cr, text)) {
+ cr.set_active_text (text);
+ return true;
+ }
+ return false;
+}
+
GdkWindow*
Gtkmm2ext::get_paned_handle (Gtk::Paned& paned)
{
Gtkmm2ext::physical_screen_width (Glib::RefPtr<Gdk::Window> win)
{
GdkScreen* scr = gdk_screen_get_default();
-
+
if (win) {
GdkRectangle r;
gint monitor = gdk_screen_get_monitor_at_window (scr, win->gobj());
}
int
-Gtkmm2ext::pixel_width (const string& str, Pango::FontDescription& font)
+Gtkmm2ext::pixel_width (const string& str, const Pango::FontDescription& font)
{
- Gtk::Label foo;
- Glib::RefPtr<Pango::Layout> layout = foo.create_pango_layout ("");
+ Glib::RefPtr<Pango::Context> context = Glib::wrap (gdk_pango_context_get());
+ Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create (context);
layout->set_font_description (font);
layout->set_text (str);
int width, height;
Gtkmm2ext::get_ink_pixel_size (layout, width, height);
+
+#ifdef __APPLE__
+ // Pango returns incorrect text width on some OS X
+ // So we have to make a correction
+ // To determine the correct indent take the largest symbol for which the width is correct
+ // and make the calculation
+ //
+ // see also libs/canvas/text.cc
+ int cor_width;
+ layout->set_text ("H");
+ layout->get_pixel_size (cor_width, height);
+ width += cor_width * 1.5;
+#endif
+
return width;
}
+void
+Gtkmm2ext::pixel_size (const string& str, const Pango::FontDescription& font, int& width, int& height)
+{
+ Gtk::Label foo;
+ Glib::RefPtr<Pango::Layout> layout = foo.create_pango_layout ("");
+
+ layout->set_font_description (font);
+ layout->set_text (str);
+
+ Gtkmm2ext::get_ink_pixel_size (layout, width, height);
+}
+
#if 0
string
Gtkmm2ext::fit_to_pixels (const string& str, int pixel_width, Pango::FontDescription& font, int& actual_width, bool with_ellipses)
layout->set_width (pixel_width * PANGO_SCALE);
if (with_ellipses) {
- layout->set_ellipsize (Pango::ELLIPSIZE_END);
+ layout->set_ellipsize (Pango::ELLIPSIZE_END);
} else {
- layout->set_wrap (Pango::WRAP_CHAR);
+ layout->set_wrap (Pango::WRAP_CHAR);
}
line = layout->get_line (0);
/* XXX: might need special care to get the ellipsis character, not sure
- how that works
- */
+ how that works
+ */
string s = string (layout->get_text ().substr(line->get_start_index(), line->get_length()));
-
+
cerr << "fit to pixels of " << str << " returns " << s << endl;
return s;
return l;
}
+Gtk::Label *
+Gtkmm2ext::right_aligned_label (string const & t)
+{
+ Gtk::Label* l = new Gtk::Label (t);
+ l->set_alignment (1, 0.5);
+ return l;
+}
+
static bool
make_null_tooltip (int, int, bool, const Glib::RefPtr<Gtk::Tooltip>& t)
{
Gtkmm2ext::enable_tooltips ()
{
gtk_rc_parse_string ("gtk-enable-tooltips = 1");
+ PersistentTooltip::set_tooltips_enabled (true);
}
void
Gtkmm2ext::disable_tooltips ()
{
gtk_rc_parse_string ("gtk-enable-tooltips = 0");
+ PersistentTooltip::set_tooltips_enabled (false);
+}
+
+bool
+Gtkmm2ext::event_inside_widget_window (Gtk::Widget& widget, GdkEvent* ev)
+{
+ gdouble evx, evy;
+
+ if (!gdk_event_get_root_coords (ev, &evx, &evy)) {
+ return false;
+ }
+
+ gint wx;
+ gint wy;
+ gint width, height, depth;
+ gint x, y;
+
+ Glib::RefPtr<Gdk::Window> widget_window = widget.get_window();
+
+ widget_window->get_geometry (x, y, width, height, depth);
+ widget_window->get_root_origin (wx, wy);
+
+ if ((evx >= wx && evx < wx + width) &&
+ (evy >= wy && evy < wy + height)) {
+ return true;
+ }
+
+ return false;
+}
+
+const char*
+Gtkmm2ext::event_type_string (int event_type)
+{
+ switch (event_type) {
+ case GDK_NOTHING:
+ return "nothing";
+ case GDK_DELETE:
+ return "delete";
+ case GDK_DESTROY:
+ return "destroy";
+ case GDK_EXPOSE:
+ return "expose";
+ case GDK_MOTION_NOTIFY:
+ return "motion_notify";
+ case GDK_BUTTON_PRESS:
+ return "button_press";
+ case GDK_2BUTTON_PRESS:
+ return "2button_press";
+ case GDK_3BUTTON_PRESS:
+ return "3button_press";
+ case GDK_BUTTON_RELEASE:
+ return "button_release";
+ case GDK_KEY_PRESS:
+ return "key_press";
+ case GDK_KEY_RELEASE:
+ return "key_release";
+ case GDK_ENTER_NOTIFY:
+ return "enter_notify";
+ case GDK_LEAVE_NOTIFY:
+ return "leave_notify";
+ case GDK_FOCUS_CHANGE:
+ return "focus_change";
+ case GDK_CONFIGURE:
+ return "configure";
+ case GDK_MAP:
+ return "map";
+ case GDK_UNMAP:
+ return "unmap";
+ case GDK_PROPERTY_NOTIFY:
+ return "property_notify";
+ case GDK_SELECTION_CLEAR:
+ return "selection_clear";
+ case GDK_SELECTION_REQUEST:
+ return "selection_request";
+ case GDK_SELECTION_NOTIFY:
+ return "selection_notify";
+ case GDK_PROXIMITY_IN:
+ return "proximity_in";
+ case GDK_PROXIMITY_OUT:
+ return "proximity_out";
+ case GDK_DRAG_ENTER:
+ return "drag_enter";
+ case GDK_DRAG_LEAVE:
+ return "drag_leave";
+ case GDK_DRAG_MOTION:
+ return "drag_motion";
+ case GDK_DRAG_STATUS:
+ return "drag_status";
+ case GDK_DROP_START:
+ return "drop_start";
+ case GDK_DROP_FINISHED:
+ return "drop_finished";
+ case GDK_CLIENT_EVENT:
+ return "client_event";
+ case GDK_VISIBILITY_NOTIFY:
+ return "visibility_notify";
+ case GDK_NO_EXPOSE:
+ return "no_expose";
+ case GDK_SCROLL:
+ return "scroll";
+ case GDK_WINDOW_STATE:
+ return "window_state";
+ case GDK_SETTING:
+ return "setting";
+ case GDK_OWNER_CHANGE:
+ return "owner_change";
+ case GDK_GRAB_BROKEN:
+ return "grab_broken";
+ case GDK_DAMAGE:
+ return "damage";
+ }
+
+ return "unknown";
+}
+
+std::string
+Gtkmm2ext::markup_escape_text (std::string const& s)
+{
+ return Glib::Markup::escape_text (s);
+}
+
+void
+Gtkmm2ext::add_volume_shortcuts (Gtk::FileChooser& c)
+{
+#ifdef __APPLE__
+ try {
+ /* This is a first order approach, listing all mounted volumes (incl network).
+ * One could use `diskutil` or `mount` to query local disks only, or
+ * something even fancier if deemed appropriate.
+ */
+ Glib::Dir dir("/Volumes");
+ for (Glib::DirIterator di = dir.begin(); di != dir.end(); di++) {
+ string fullpath = Glib::build_filename ("/Volumes", *di);
+ if (!Glib::file_test (fullpath, Glib::FILE_TEST_IS_DIR)) continue;
+
+ try { /* add_shortcut_folder throws an exception if the folder being added already has a shortcut */
+ c.add_shortcut_folder (fullpath);
+ }
+ catch (Glib::Error& e) {
+ std::cerr << "add_shortcut_folder() threw Glib::Error: " << e.what() << std::endl;
+ }
+ }
+ }
+ catch (Glib::FileError& e) {
+ std::cerr << "listing /Volumnes failed: " << e.what() << std::endl;
+ }
+#endif
+}
+
+float
+Gtkmm2ext::paned_position_as_fraction (Gtk::Paned& paned, bool h)
+{
+ const guint pos = gtk_paned_get_position (const_cast<GtkPaned*>(static_cast<const Gtk::Paned*>(&paned)->gobj()));
+ return (double) pos / (h ? paned.get_allocation().get_height() : paned.get_allocation().get_width());
+}
+
+void
+Gtkmm2ext::paned_set_position_as_fraction (Gtk::Paned& paned, float fraction, bool h)
+{
+ gint v = (h ? paned.get_allocation().get_height() : paned.get_allocation().get_width());
+
+ if (v < 1) {
+ return;
+ }
+
+ paned.set_position ((guint) floor (fraction * v));
}